I double checked and the one I use is an old model (FL100) that appears to have been discontinued. The FL350 mostly resembles it, though it appears you are corr

I double checked and the one I use is an old model (FL100) that appears to have been discontinued. The FL350 mostly resembles it, though it appears you are correct that the FL350 does not have an alarm. My apologies for the misdirection. This one does have an alarm: https://www.amazon.com/Wellue-Fingertip-Saturation-Batteries-Non-Bluetooth/dp/B085Y19X57/ https://www.amazon.com/Wellue-Fingertip-Saturation-Batteries...